From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915: Just clear the mmiodebug before a register access Date: Mon, 03 Oct 2016 13:09:31 +0300 Message-ID: <87ziml4uck.fsf@gaia.fi.intel.com> References: <20160930152506.32623-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 48CAB6E3D8 for ; Mon, 3 Oct 2016 10:09:49 +0000 (UTC) In-Reply-To: <20160930152506.32623-1-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gV2hlbiB3 ZSBlbmFibGUgdGhlIHBlci1yZWdpc3RlciBhY2Nlc3MgbW1pb2RlYnVnLCBpdCBpcyB0byBkZXRl Y3Qgd2hpY2gKPiBhY2Nlc3MgaXMgaWxsZWdhbC4gUmVwb3J0aW5nIG9uIGVhcmxpZXIgdW50cmFj ZWQgYWNjZXNzIG91dHNpZGUgb2YgdGhlCj4gbW1pb2RlYnVnIGRvZXMgbm90IGhlbHAgZGVidWdn aW5nIChhcyB0aGUgc3VzcGljaW9uIGlzIGltbWVkaWF0ZWx5IHB1dAo+IHVwb24gdGhlIGN1cnJl bnQgcmVnaXN0ZXIgd2hpY2ggaXMgbm90IGF0IGZhdWx0KSEKPgoKSSB0aGluayB0aGUgb3JpZ2lu YWwgaW50ZW50IGhlcmUgd2FzIHRoYXQgaWYgdGhlIHVuY2xhaW1lZCBhY2Nlc3Mgd2FzCmJlZm9y ZSBkcml2ZXIgcmVnaXN0ZXIgYWNjZXNzLCBpdCB3b3VsZCBiZSBzb21ldGltZXMgcG9zc2libGUg dG8gYXNzZXNzCnRoZSByZWFsIGN1bHByaXQgYnkgdW5kZXJzdGFuZGluZyB3aGF0IGhhcHBlbmVk IGJlZm9yZSB0aGlzIG1vbWVudC4KCkZvciBleGFtcGxlIGlmIGl0IGlzIGJlZm9yZSBmaXJzdCBy ZWdpc3RlciBhY2Nlc3MgYWZ0ZXIgcmVzdW1lLCB5b3UgY2FuIGJsYW1lCkJJT1MuCgpPbiB0aGUg b3RoZXIgaGFuZCB3ZSBzaG91bGQgaGF2ZSBub3cgdGhlIGNoZWNrcyBmcm9tIGFuZCBhZnRlcgpz dXNwZW5kaW5nIGluIHBsYWNlIHNvIHBlcmhhcHMgaXQgaXMgbm90IHdvcnRod2hpbGUgYW55bW9y ZSB0byBrZWVwCnJlcG9ydGluZyB0aGUgcHJpb3IgdW5jbGFpbWVkIGFjY2VzcyBpbiBnZW5lcmlj IGNhc2UuCgpIb3dldmVyIGFzIHRoZSBjaGVjayBhbHNvIGNsZWFycyB0aGUgdW5jbGFpbWVkIGJp dCwgd2UgbWlnaHQKcmVhbGx5IHNxdWVscyBzb21lIHJlYWwgcHJvYmxlbXMgd2l0aCB0aGlzIGNo YW5nZS4KCi1NaWthCgo+IFJlZmVyZW5jZXM6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcv c2hvd19idWcuY2dpP2lkPTk3OTg1Cj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJp c0BjaHJpcy13aWxzb24uY28udWs+Cj4gQ2M6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFA aW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF91bmNvcmUuYyB8 IDcgKysrLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9u cygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29yZS5j IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfdW5jb3JlLmMKPiBpbmRleCBhOWI2YzkzNmFh ZGQuLmVlMjMwNmE3OTc0NyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF91bmNvcmUuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29yZS5jCj4g QEAgLTc5NiwxMCArNzk2LDkgQEAgX191bmNsYWltZWRfcmVnX2RlYnVnKHN0cnVjdCBkcm1faTkx NV9wcml2YXRlICpkZXZfcHJpdiwKPiAgCQkgICAgICBjb25zdCBib29sIHJlYWQsCj4gIAkJICAg ICAgY29uc3QgYm9vbCBiZWZvcmUpCj4gIHsKPiAtCWlmIChXQVJOKGNoZWNrX2Zvcl91bmNsYWlt ZWRfbW1pbyhkZXZfcHJpdiksCj4gLQkJICJVbmNsYWltZWQgcmVnaXN0ZXIgZGV0ZWN0ZWQgJXMg JXMgcmVnaXN0ZXIgMHgleFxuIiwKPiAtCQkgYmVmb3JlID8gImJlZm9yZSIgOiAiYWZ0ZXIiLAo+ IC0JCSByZWFkID8gInJlYWRpbmciIDogIndyaXRpbmcgdG8iLAo+ICsJaWYgKFdBUk4oY2hlY2tf Zm9yX3VuY2xhaW1lZF9tbWlvKGRldl9wcml2KSAmJiAhYmVmb3JlLAo+ICsJCSAiVW5jbGFpbWVk ICVzIHJlZ2lzdGVyIDB4JXhcbiIsCj4gKwkJIHJlYWQgPyAicmVhZCBmcm9tIiA6ICJ3cml0ZSB0 byIsCj4gIAkJIGk5MTVfbW1pb19yZWdfb2Zmc2V0KHJlZykpKQo+ICAJCWk5MTUubW1pb19kZWJ1 Zy0tOyAvKiBPbmx5IHJlcG9ydCB0aGUgZmlyc3QgTiBmYWlsdXJlcyAqLwo+ICB9Cj4gLS0gCj4g Mi45LjMKPgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f Cj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVs LWdmeApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK